The ad software firm TubeMogul has uncovered a botnet ring that could be generating as much as $10 million a month in fraudulent video views, preying on advertisers like Nissan and Samsung. Like a traditional click-fraud network, the botnet works by hijacking computers with malware and sending them to generate false traffic for sites. TubeMogul published a list of nearly 200 sites that were making money from the botnet, most with innocuous names like ModernCommerce.com or AllSportsHub.com.